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Unified Diff: src/uri.js

Issue 1398733002: Move builtin JavaScript sources into own directory. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Also move macros.py file. Created 5 years, 2 months ago
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Index: src/uri.js
diff --git a/src/uri.js b/src/uri.js
deleted file mode 100644
index bdb83d14310e2f1a8eef60eb30606376d6fb9871..0000000000000000000000000000000000000000
--- a/src/uri.js
+++ /dev/null
@@ -1,374 +0,0 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// This file contains support for URI manipulations written in
-// JavaScript.
-
-(function(global, utils) {
-
-"use strict";
-
-%CheckIsBootstrapping();
-
-//- ------------------------------------------------------------------
-// Imports
-
-var GlobalObject = global.Object;
-var GlobalArray = global.Array;
-var InternalArray = utils.InternalArray;
-
-// -------------------------------------------------------------------
-// Define internal helper functions.
-
-function HexValueOf(code) {
- // 0-9
- if (code >= 48 && code <= 57) return code - 48;
- // A-F
- if (code >= 65 && code <= 70) return code - 55;
- // a-f
- if (code >= 97 && code <= 102) return code - 87;
-
- return -1;
-}
-
-// Does the char code correspond to an alpha-numeric char.
-function isAlphaNumeric(cc) {
- // a - z
- if (97 <= cc && cc <= 122) return true;
- // A - Z
- if (65 <= cc && cc <= 90) return true;
- // 0 - 9
- if (48 <= cc && cc <= 57) return true;
-
- return false;
-}
-
-// Lazily initialized.
-var hexCharCodeArray = 0;
-
-function URIAddEncodedOctetToBuffer(octet, result, index) {
- result[index++] = 37; // Char code of '%'.
- result[index++] = hexCharCodeArray[octet >> 4];
- result[index++] = hexCharCodeArray[octet & 0x0F];
- return index;
-}
-
-function URIEncodeOctets(octets, result, index) {
- if (hexCharCodeArray === 0) {
- hexCharCodeArray = [48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
- 65, 66, 67, 68, 69, 70];
- }
- index = URIAddEncodedOctetToBuffer(octets[0], result, index);
- if (octets[1]) index = URIAddEncodedOctetToBuffer(octets[1], result, index);
- if (octets[2]) index = URIAddEncodedOctetToBuffer(octets[2], result, index);
- if (octets[3]) index = URIAddEncodedOctetToBuffer(octets[3], result, index);
- return index;
-}
-
-function URIEncodeSingle(cc, result, index) {
- var x = (cc >> 12) & 0xF;
- var y = (cc >> 6) & 63;
- var z = cc & 63;
- var octets = new GlobalArray(3);
- if (cc <= 0x007F) {
- octets[0] = cc;
- } else if (cc <= 0x07FF) {
- octets[0] = y + 192;
- octets[1] = z + 128;
- } else {
- octets[0] = x + 224;
- octets[1] = y + 128;
- octets[2] = z + 128;
- }
- return URIEncodeOctets(octets, result, index);
-}
-
-function URIEncodePair(cc1 , cc2, result, index) {
- var u = ((cc1 >> 6) & 0xF) + 1;
- var w = (cc1 >> 2) & 0xF;
- var x = cc1 & 3;
- var y = (cc2 >> 6) & 0xF;
- var z = cc2 & 63;
- var octets = new GlobalArray(4);
- octets[0] = (u >> 2) + 240;
- octets[1] = (((u & 3) << 4) | w) + 128;
- octets[2] = ((x << 4) | y) + 128;
- octets[3] = z + 128;
- return URIEncodeOctets(octets, result, index);
-}
-
-function URIHexCharsToCharCode(highChar, lowChar) {
- var highCode = HexValueOf(highChar);
- var lowCode = HexValueOf(lowChar);
- if (highCode == -1 || lowCode == -1) throw MakeURIError();
- return (highCode << 4) | lowCode;
-}
-
-// Callers must ensure that |result| is a sufficiently long sequential
-// two-byte string!
-function URIDecodeOctets(octets, result, index) {
- var value;
- var o0 = octets[0];
- if (o0 < 0x80) {
- value = o0;
- } else if (o0 < 0xc2) {
- throw MakeURIError();
- } else {
- var o1 = octets[1];
- if (o0 < 0xe0) {
- var a = o0 & 0x1f;
- if ((o1 < 0x80) || (o1 > 0xbf)) throw MakeURIError();
- var b = o1 & 0x3f;
- value = (a << 6) + b;
- if (value < 0x80 || value > 0x7ff) throw MakeURIError();
- } else {
- var o2 = octets[2];
- if (o0 < 0xf0) {
- var a = o0 & 0x0f;
- if ((o1 < 0x80) || (o1 > 0xbf)) throw MakeURIError();
- var b = o1 & 0x3f;
- if ((o2 < 0x80) || (o2 > 0xbf)) throw MakeURIError();
- var c = o2 & 0x3f;
- value = (a << 12) + (b << 6) + c;
- if ((value < 0x800) || (value > 0xffff)) throw MakeURIError();
- } else {
- var o3 = octets[3];
- if (o0 < 0xf8) {
- var a = (o0 & 0x07);
- if ((o1 < 0x80) || (o1 > 0xbf)) throw MakeURIError();
- var b = (o1 & 0x3f);
- if ((o2 < 0x80) || (o2 > 0xbf)) {
- throw MakeURIError();
- }
- var c = (o2 & 0x3f);
- if ((o3 < 0x80) || (o3 > 0xbf)) throw MakeURIError();
- var d = (o3 & 0x3f);
- value = (a << 18) + (b << 12) + (c << 6) + d;
- if ((value < 0x10000) || (value > 0x10ffff)) throw MakeURIError();
- } else {
- throw MakeURIError();
- }
- }
- }
- }
- if (0xD800 <= value && value <= 0xDFFF) throw MakeURIError();
- if (value < 0x10000) {
- %_TwoByteSeqStringSetChar(index++, value, result);
- } else {
- %_TwoByteSeqStringSetChar(index++, (value >> 10) + 0xd7c0, result);
- %_TwoByteSeqStringSetChar(index++, (value & 0x3ff) + 0xdc00, result);
- }
- return index;
-}
-
-// ECMA-262, section 15.1.3
-function Encode(uri, unescape) {
- uri = TO_STRING(uri);
- var uriLength = uri.length;
- var array = new InternalArray(uriLength);
- var index = 0;
- for (var k = 0; k < uriLength; k++) {
- var cc1 = %_StringCharCodeAt(uri, k);
- if (unescape(cc1)) {
- array[index++] = cc1;
- } else {
- if (cc1 >= 0xDC00 && cc1 <= 0xDFFF) throw MakeURIError();
- if (cc1 < 0xD800 || cc1 > 0xDBFF) {
- index = URIEncodeSingle(cc1, array, index);
- } else {
- k++;
- if (k == uriLength) throw MakeURIError();
- var cc2 = %_StringCharCodeAt(uri, k);
- if (cc2 < 0xDC00 || cc2 > 0xDFFF) throw MakeURIError();
- index = URIEncodePair(cc1, cc2, array, index);
- }
- }
- }
-
- var result = %NewString(array.length, NEW_ONE_BYTE_STRING);
- for (var i = 0; i < array.length; i++) {
- %_OneByteSeqStringSetChar(i, array[i], result);
- }
- return result;
-}
-
-// ECMA-262, section 15.1.3
-function Decode(uri, reserved) {
- uri = TO_STRING(uri);
- var uriLength = uri.length;
- var one_byte = %NewString(uriLength, NEW_ONE_BYTE_STRING);
- var index = 0;
- var k = 0;
-
- // Optimistically assume one-byte string.
- for ( ; k < uriLength; k++) {
- var code = %_StringCharCodeAt(uri, k);
- if (code == 37) { // '%'
- if (k + 2 >= uriLength) throw MakeURIError();
- var cc = URIHexCharsToCharCode(%_StringCharCodeAt(uri, k+1),
- %_StringCharCodeAt(uri, k+2));
- if (cc >> 7) break; // Assumption wrong, two-byte string.
- if (reserved(cc)) {
- %_OneByteSeqStringSetChar(index++, 37, one_byte); // '%'.
- %_OneByteSeqStringSetChar(index++, %_StringCharCodeAt(uri, k+1),
- one_byte);
- %_OneByteSeqStringSetChar(index++, %_StringCharCodeAt(uri, k+2),
- one_byte);
- } else {
- %_OneByteSeqStringSetChar(index++, cc, one_byte);
- }
- k += 2;
- } else {
- if (code > 0x7f) break; // Assumption wrong, two-byte string.
- %_OneByteSeqStringSetChar(index++, code, one_byte);
- }
- }
-
- one_byte = %TruncateString(one_byte, index);
- if (k == uriLength) return one_byte;
-
- // Write into two byte string.
- var two_byte = %NewString(uriLength - k, NEW_TWO_BYTE_STRING);
- index = 0;
-
- for ( ; k < uriLength; k++) {
- var code = %_StringCharCodeAt(uri, k);
- if (code == 37) { // '%'
- if (k + 2 >= uriLength) throw MakeURIError();
- var cc = URIHexCharsToCharCode(%_StringCharCodeAt(uri, ++k),
- %_StringCharCodeAt(uri, ++k));
- if (cc >> 7) {
- var n = 0;
- while (((cc << ++n) & 0x80) != 0) { }
- if (n == 1 || n > 4) throw MakeURIError();
- var octets = new GlobalArray(n);
- octets[0] = cc;
- if (k + 3 * (n - 1) >= uriLength) throw MakeURIError();
- for (var i = 1; i < n; i++) {
- if (uri[++k] != '%') throw MakeURIError();
- octets[i] = URIHexCharsToCharCode(%_StringCharCodeAt(uri, ++k),
- %_StringCharCodeAt(uri, ++k));
- }
- index = URIDecodeOctets(octets, two_byte, index);
- } else if (reserved(cc)) {
- %_TwoByteSeqStringSetChar(index++, 37, two_byte); // '%'.
- %_TwoByteSeqStringSetChar(index++, %_StringCharCodeAt(uri, k - 1),
- two_byte);
- %_TwoByteSeqStringSetChar(index++, %_StringCharCodeAt(uri, k),
- two_byte);
- } else {
- %_TwoByteSeqStringSetChar(index++, cc, two_byte);
- }
- } else {
- %_TwoByteSeqStringSetChar(index++, code, two_byte);
- }
- }
-
- two_byte = %TruncateString(two_byte, index);
- return one_byte + two_byte;
-}
-
-// -------------------------------------------------------------------
-// Define exported functions.
-
-// ECMA-262 - B.2.1.
-function URIEscapeJS(s) {
- return %URIEscape(s);
-}
-
-// ECMA-262 - B.2.2.
-function URIUnescapeJS(s) {
- return %URIUnescape(s);
-}
-
-// ECMA-262 - 15.1.3.1.
-function URIDecode(uri) {
- var reservedPredicate = function(cc) {
- // #$
- if (35 <= cc && cc <= 36) return true;
- // &
- if (cc == 38) return true;
- // +,
- if (43 <= cc && cc <= 44) return true;
- // /
- if (cc == 47) return true;
- // :;
- if (58 <= cc && cc <= 59) return true;
- // =
- if (cc == 61) return true;
- // ?@
- if (63 <= cc && cc <= 64) return true;
-
- return false;
- };
- return Decode(uri, reservedPredicate);
-}
-
-// ECMA-262 - 15.1.3.2.
-function URIDecodeComponent(component) {
- var reservedPredicate = function(cc) { return false; };
- return Decode(component, reservedPredicate);
-}
-
-// ECMA-262 - 15.1.3.3.
-function URIEncode(uri) {
- var unescapePredicate = function(cc) {
- if (isAlphaNumeric(cc)) return true;
- // !
- if (cc == 33) return true;
- // #$
- if (35 <= cc && cc <= 36) return true;
- // &'()*+,-./
- if (38 <= cc && cc <= 47) return true;
- // :;
- if (58 <= cc && cc <= 59) return true;
- // =
- if (cc == 61) return true;
- // ?@
- if (63 <= cc && cc <= 64) return true;
- // _
- if (cc == 95) return true;
- // ~
- if (cc == 126) return true;
-
- return false;
- };
- return Encode(uri, unescapePredicate);
-}
-
-// ECMA-262 - 15.1.3.4
-function URIEncodeComponent(component) {
- var unescapePredicate = function(cc) {
- if (isAlphaNumeric(cc)) return true;
- // !
- if (cc == 33) return true;
- // '()*
- if (39 <= cc && cc <= 42) return true;
- // -.
- if (45 <= cc && cc <= 46) return true;
- // _
- if (cc == 95) return true;
- // ~
- if (cc == 126) return true;
-
- return false;
- };
- return Encode(component, unescapePredicate);
-}
-
-// -------------------------------------------------------------------
-// Install exported functions.
-
-// Set up non-enumerable URI functions on the global object and set
-// their names.
-utils.InstallFunctions(global, DONT_ENUM, [
- "escape", URIEscapeJS,
- "unescape", URIUnescapeJS,
- "decodeURI", URIDecode,
- "decodeURIComponent", URIDecodeComponent,
- "encodeURI", URIEncode,
- "encodeURIComponent", URIEncodeComponent
-]);
-
-})
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